title: Superovulation and embryo recovery in rabbits (Oryctolagus cuniculus) using different doses of pregnant mare serum gonadotrophin (PMSG).
abstract: Present investigation was conducted to study the ovarian response and embryo recovery using different PMSG dose levels. Six rabbits each were assigned randomly to treatment 1 (PMSG 50 IU + hCG 100 IU), treatment 2 (PMSG 75 IU + hCG 100 IU) and the control group (no hormone administered). PMSG injection (im) was followed 68 hr later by natural mating to a fertile rabbit buck and human chorionic gonadotrophin (hCG) injection iv post coitum. Embryos were recovered 96 hr post coitum by a modified surgical method. Mean number of ovulations in the control group differed significantly from treatment 1 and 2, but no significant difference was observed between treatments 1 and 2. Mean embryo recovery percentage was lowest in treatment 2 and highest in the control group. The higher dose PMSG (treatment 2) was observed to be more disturbing in terms of recovery of embryos as well as their morphology.
authors.affiliation: Department of Obstetrics and Gynaecology, College of Veterinary and Animal Science, Rajasthan Agricultural University, Bikaner, India.
authors.forename: M
authors.initials: M
authors.lastname: Taneja
authors.forename: P K
authors.initials: PK
authors.lastname: Pareek
authors.forename: P R
authors.initials: PR
authors.lastname: Jatkar
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004622:Embryo, Mammalian / Q000187:drug effects; D005260:Female; D006064:Gonadotropins, Equine / Q000008:administration & dosage*; D010062:Ovulation Induction; D011247:Pregnancy; D011817:Rabbits; D013480:Superovulation / Q000187:drug effects*
chemical_list: D006064:Gonadotropins, Equine